HD64F2239TF20I Renesas Electronics America, HD64F2239TF20I Datasheet - Page 558
HD64F2239TF20I
Manufacturer Part Number
HD64F2239TF20I
Description
MCU 3V 384K I-TEMP 100-TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2200r
Datasheet
1.DF2238RFA6V.pdf
(1048 pages)
Specifications of HD64F2239TF20I
Core Processor
H8S/2000
Core Size
16-Bit
Speed
20MHz
Connectivity
I²C, SCI, SmartCard
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
72
Program Memory Size
384KB (384K x 8)
Program Memory Type
FLASH
Ram Size
32K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
100-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Available stocks
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Quantity
Price
Company:
Part Number:
HD64F2239TF20I
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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Section 14 IEBus™ Controller (IEB) [H8S/2258 Group]
Note that locking and unlocking are not performed in broadcast communications.
Note: * There are three methods to unlock by a locked unit itself.
14.1.4
Figure 14.5 shows the bit format (conceptual diagram) configuring the IEBus communications
frame.
Each period of bit format for use of active high signals is described below.
• Preparation period: first logic 1 period (high level)
• Synchronous period: subsequent logic 0 period (low level)
• Data period: period indicating bit value (logic 1: high level, logic 0: low level)
• Halt period: last logic 1 cycle (high level)
For use of active low signals, levels are reversed from the active high signals.
The synchronous and data periods have approximately the same length.
The IEBus is synchronized bit by bit. The specifications for the time of all bits and the periods
allocated to the bits differ depending on the type of transfer bits and the unit (master or slave unit).
Rev. 6.00 Mar. 18, 2010 Page 496 of 982
REJ09B0054-0600
in a single communications frame, the slave unit is unlocked by the master unit. In this case, a
bit (bit 2) relevant to lock in the byte indicating the slave status is cleared to 0.
Bit Format
• Perform hardware reset
• Enter module stop mode
• Issue unlock command by the IEBus command register (IECMR)
Note that the LCK flag in IEFLG can be used to check whether the unit is
locked/unlocked.
Logic 1
Logic 0
Figure 14.5 IEBus Bit Format (Conceptual Diagram)
Active low: Logic 1 = low level and logic 0 = high level
Active high: Logic 1 = high level and logic 0 = low level
Preparation
period
Synchronous
period
period
Data
period
Halt
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